#include <stdio.h>
int main()
{
    double bmi,m, h;
    scanf("%lf %lf", &m, &h);
    bmi = (m * 1.0) / (h * h);
    if (bmi < 18.5)
    {
        printf("Underweight\n");
    }
    else if (bmi >= 18.5 && bmi < 24)
        printf("Normal\n");
    else
    {
        printf("%.6g\n", bmi);
        printf("Overweight\n");
    }

    return 0;
}